CN208312483U - A kind of range hood - Google Patents
A kind of range hood Download PDFInfo
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- CN208312483U CN208312483U CN201820547640.8U CN201820547640U CN208312483U CN 208312483 U CN208312483 U CN 208312483U CN 201820547640 U CN201820547640 U CN 201820547640U CN 208312483 U CN208312483 U CN 208312483U
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- wall
- air
- fume collecting
- injection ring
- exhaust fume
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Abstract
A kind of range hood, including blower rack and the exhaust fume collecting hood for being mounted on blower rack bottom, air inlet is offered on the exhaust fume collecting hood, it is characterized by also including have exhaust apparatus, the exhaust apparatus includes wind regime, outlet air conduit and injection ring, the wind regime out is mounted on the outside of blower rack and is located at the top of exhaust fume collecting hood, the injection is located below exhaust fume collecting hood, the inner circumferential of injection ring has the air outlet of air-out direction upward, and the outlet air conduit passes through the exhaust fume collecting hood and is connected to wind regime and the injection ring out.Compared with prior art, utility model has the advantages that the range hood below exhaust fume collecting hood by being arranged the injection ring of air outlet upward, injection ring group is in jet pump principle, a negative pressure region is generated in the top of pot using the air jet of one high-speed motion, the oil smoke of surrounding is driven to flow using wall attachment effect simultaneously, it absorbs the oil smoke of surrounding and is oriented to the air inlet of exhaust fume collecting hood, to significantly reduce fumes escaping phenomenon, effectively promote smoke absorption effect.
Description
Technical field
The utility model relates to a kind of kitchen appliances, more particularly, to a kind of range hood.
Background technique
Range hood has become one of machine for kitchen use equipment indispensable in Modern Family, for being discharged in cooking process
The oil smoke of generation.Common range hood can be divided into top-sucking kitchen ventilator and side extraction cooking fume extractor two major classes, and push up and inhale
Formula range hood due to it is clean and tidy light and handy, occupy little space the advantages that, use is more extensive.Currently, top-sucking kitchen ventilator is whole
Mounting height determines that range hood is distant from the pot for generating oil smoke, and negative pressure loss is bigger, after oil smoke occurs, is not having
Under the action of other external force, oil smoke can first shrink and spread again, it may appear that a degree of race cigarette phenomenon, while range hood is anti-
Interference performance is not strong, and oil smoke is easy to be deviateed its motion path by external action and form the escape of oil smoke, the oil of ascension above pot
Cigarette is easy to escape from the two sides of exhaust fume collecting hood, causes the smoke absorption effect of range hood poor, also, oil smoke is once detached from negative pressuren zone
Domain can not be just sucked back into.In order to improve the smoke absorption effect of range hood, people improve the structure of range hood,
Middle common practice is the power for improving to the blower fan system of range hood, for example increasing blower, for example improves impeller
Structure etc., although this improvement can effectively promote the smoke absorption effect of range hood, it require that improving entire blower system
The structure of system, it is not only complex, but also negative pressuren zone distribution when range hood work cannot be improved, negative pressure loss is opposite also
Be it is larger, oil smoke above hearth is still easy to escape from the two sides of exhaust fume collecting hood.In conclusion needing to existing range hood
Structure is further improved.
Utility model content
First technical problem to be solved in the utility model is for above-mentioned state of the art, and providing one kind can
Injection air-flow is formed below exhaust fume collecting hood and thus promotes the range hood of smoke absorption effect.
Second technical problem to be solved in the utility model is to provide a kind of energy production for above-mentioned state of the art
Thus raw spiral up draft simultaneously makes the better range hood of smoke absorption effect.
The utility model solves technical solution used by above-mentioned first technical problem are as follows: the range hood, including wind
Rack and the exhaust fume collecting hood for being mounted on blower rack bottom offer air inlet on the exhaust fume collecting hood, it is characterised in that: further include having out
Wind apparatus, the exhaust apparatus include wind regime, outlet air conduit and injection ring, and the wind regime out is mounted on the outside of blower rack simultaneously
Positioned at the top of exhaust fume collecting hood, the injection is located below exhaust fume collecting hood, and the inner circumferential of injection ring has the outlet air of air-out direction upward
Mouthful, the outlet air conduit passes through the exhaust fume collecting hood and is connected to wind regime and the injection ring out.
Preferably, the injection ring is top closed, at the top of injection ring inside and outside be extended with separately down inner sidewall and
Lateral wall, the bottom of the lateral wall, which extends internally, bottom wall, and the inner end of the bottom wall forms the overturning wall being flipped up, described
The inside that wall is set to the inner sidewall is overturn, and overturns and forms the air outlet between wall and the gap of inner sidewall.
In order to which the air velocity for blowing out injection ring air outlet reaches maximum, the inner sidewall includes successively prolonging from top to bottom
Upper wall, mesospore and the lower wall stretched, the upper wall are vertical wall, and the mesospore is inclined inclined wall in the diagonal from top to bottom, and
Angle is 160 °~170 ° between upper wall and mesospore.
In order to guarantee that air-out effect, the lower wall are the arcwall with the mesospore rounding off, the convex surface court of the lower wall
To the overturning wall, and the gap between lower wall and overturning wall is 1mm~1.5mm.
In order to make air outlet air-flow form better injection effect, the lower edge of the lower wall is upper lower than the overturning wall
Edge.
In order to keep air outlet air-flow more orderly, the overturning wall is equipped with air-flow guiding rib towards the side of inner sidewall,
The air-flow guiding rib is uniformly distributed along the circumferentially-spaced of injection ring.
The utility model solves technical solution used by above-mentioned second technical problem are as follows: the air-flow guiding rib along
The circumferential deflection of injection ring, and the deflection angle in opposed vertical direction is 35 °~55 °.
In order to form more efficiently flow type pump with injection effect, the injection ring is horizontally placed on the air inlet region of exhaust fume collecting hood
Underface.
In order to make exhaust apparatus that can have preferable injection effect under different work condition environments, installed on the blower rack
There is the elevating mechanism for driving the exhaust apparatus integrally to make elevating movement.
As the preferred of any of the above-described scheme, blower fan system is installed inside the blower rack.
Compared with the prior art, the advantages of the utility model are: the range hood below exhaust fume collecting hood by being provided
The injection ring of air port upward, injection ring group are produced using the air jet of one high-speed motion in the top of pot in jet pump principle
A raw negative pressure region, while driving the oil smoke of surrounding to flow using wall attachment effect, it absorbs the oil smoke of surrounding and is oriented to exhaust fume collecting hood
Air inlet, to significantly reduce fumes escaping phenomenon, effective promotion smoke absorption effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the structural schematic diagram of another angle of Fig. 1；
Fig. 3 is the cross-sectional view of the injection ring of the utility model embodiment；
Fig. 4 is the enlarged diagram of part A in Fig. 3；
Fig. 5 is another cross-sectional view of the injection ring of the utility model embodiment；
Fig. 6 is the enlarged diagram of part B in Fig. 5.
Specific embodiment
The utility model is described in further detail below in conjunction with figure embodiment.
As shown in Figures 1 to 6, the range hood in the present embodiment is top-sucking kitchen ventilator, the top-sucking kitchen ventilator
Including blower rack 1 and the exhaust fume collecting hood 2 for being mounted on blower rack bottom, blower fan system (not shown) is installed inside blower rack 1, is collected
The center of petticoat pipe 2 has air inlet (not shown), and the air inlet of exhaust fume collecting hood 2 is equipped with oil cleaner screen 7, above structure with it is existing
The structure of top-sucking kitchen ventilator is identical, is not unfolded to describe herein.
The range hood further includes having exhaust apparatus, and specifically, which includes wind regime 3, outlet air conduit 4 and drawing
Ring 5 is penetrated, wind turbine can be used out in wind regime 3 out, and wind turbine is mounted on the outside of blower rack 1 and is located at the top of exhaust fume collecting hood 2 out, draws
It penetrates ring 5 and sets the underface for being horizontally placed on the air inlet region of exhaust fume collecting hood 2, the inner circumferential of injection ring 5 has air-out direction upward
Air outlet 50, i.e. air outlet 50 are distributed in a ring, and outlet air conduit 4 passes through exhaust fume collecting hood 2 and is connected to out wind regime 3 and injection ring 5.Outlet air
When device works, the wind energy that wind regime 3 exports out is delivered to injection ring 5 by outlet air conduit 4, and then from the air outlet of injection ring 5
50 blowouts upwards.
Elevating mechanism 6 is installed on blower rack 1, elevating mechanism 6 drives exhaust apparatus integrally to make elevating movement, going up and down
Under the driving of mechanism 6, injection ring 5 can move up and down.Particularly, intelligent liter can be carried out to injection ring 5 according to oil smoke size
Drop, so that can obtain preferable smoke absorption effect under different operating conditions.The elevating mechanism 6 of the present embodiment can be with motor, gear
Conventional elevating mechanism, is not unfolded to describe herein with rack-driving etc..
In the present embodiment, injection ring 5 is top closed, and air outlet 50 is located at the bottom of injection ring 5.Specifically, injection ring 5 pushes up
Inner sidewall 51 and lateral wall 52 are extended with inside and outside portion separately down, the bottom of lateral wall 52, which extends internally, bottom wall 53,
The inner end of bottom wall 53 forms the overturning wall 54 being flipped up, and overturning wall 54 is set to the inside of inner sidewall 51, and overturn wall 54 with it is interior
Air outlet 50 is formed between the gap of side wall 51.
The specific structure of inner sidewall 51 is as follows: inner sidewall 51 includes upper wall 511, the mesospore 512 successively extended from top to bottom
With lower wall 513, upper wall 511 is vertical wall, and mesospore 512 is inclined inclined wall in the diagonal, and upper wall 511 and mesospore from top to bottom
Angle is 160 °~170 ° between 512, and through testing, the best angle of the angle is 164 °, under the best angle, can make to draw
The air velocity for penetrating the blowout of air outlet 50 of ring 5 reaches maximum, to obtain optimal smoke absorption effect.In addition, lower wall 513 is
Arcwall and with 512 rounding off of mesospore, the convex surface of lower wall 513 towards overturning wall 54, between lower wall 513 and overturning wall 54 between
Gap constitutes air outlet 50.In order to guarantee the air-out effect of air outlet 50, the gap between lower wall 513 and overturning wall 54 be 1mm~
1.5mm, preferably 1.3mm, also, the lower edge of lower wall 513 is lower than the upper edge of overturning wall 54.
In overturning wall 54 towards air-flow guiding rib 55 is equipped on the side of inner sidewall 51, air-flow guiding rib 55 is along injection ring
5 circumferentially-spaced is uniformly distributed, and air flow guide groove 56, the gas in injection ring 5 are formed between two adjacent air-flow guiding ribs 55
Stream sprays upwards from along air flow guide groove 56.Also, in order to enable injection ring 5 to generate spiralling air-flow, air-flow guiding
Muscle 55 along injection ring 5 circumferential deflection, and the deflection angle in opposed vertical direction be 35 °~55 °, optimal is 45 °.
When the range hood works, outlet air motor operation absorbs 1 outside air of blower rack, and by after outlet air conduit 4 from
The air outlet 50 of injection ring 5 accelerates blowout, and air outlet 50 accelerates the air-flow passed through that apparent spiral up draft can be presented, thus
A negative pressure region is generated in the top of pot, while driving the oil smoke of surrounding to flow using wall attachment effect, absorbs the oil smoke of surrounding
And it is oriented to the air inlet of exhaust fume collecting hood, to significantly reduce fumes escaping phenomenon, effectively promote smoke absorption effect.
Claims (9)
1. a kind of range hood, including blower rack (1) and it is mounted on the exhaust fume collecting hood (2) of blower rack bottom, on the exhaust fume collecting hood (2)
Offer air inlet, it is characterised in that: further include having exhaust apparatus, the exhaust apparatus includes wind regime (3), outlet air conduit
(4) and injection ring (5), it is described go out wind regime (3) be mounted on the outside of blower rack (1) and be located at the top of exhaust fume collecting hood (2), it is described to draw
Ring (5) are penetrated below exhaust fume collecting hood (2), the inner circumferential of injection ring (5) has the air outlet (50) of air-out direction upward, the outlet air
Conduit (4) passes through the exhaust fume collecting hood (2) and is connected to wind regime (3) and the injection ring (5) out.
2. range hood according to claim 1, it is characterised in that: the injection ring (5) is top closed, injection ring (5)
Inner sidewall (51) and lateral wall (52) are extended with inside and outside top separately down, the bottom of the lateral wall (52) is inwardly prolonged
Stretching has bottom wall (53), and the inner end of the bottom wall (53) forms the overturning wall (54) being flipped up, and the overturning wall (54) is set to institute
The inside of inner sidewall (51) is stated, and overturns and forms the air outlet (50) between wall (54) and the gap of inner sidewall (51).
3. range hood according to claim 2, it is characterised in that: the inner sidewall (51) includes successively prolonging from top to bottom
Upper wall (511), mesospore (512) and the lower wall (513) stretched, the upper wall (511) are vertical wall, and the mesospore (512) is from upper
And oblique intilted inclined wall, and angle is 160 °~170 ° between upper wall (511) and mesospore (512).
4. range hood according to claim 3, it is characterised in that: the lower wall (513) is and the mesospore (512) are round
The arcwall crossed is slipped over, the convex surface of the lower wall (513) is towards the overturning wall (54), and lower wall (513) and overturning wall (54)
Between gap be 1mm~1.5mm.
5. range hood according to claim 4, it is characterised in that: turned over lower than described the lower edge of the lower wall (513)
Turn the upper edge of wall (54).
6. range hood according to claim 2, it is characterised in that: the described overturning side of wall (54) towards inner sidewall (51)
Face be equipped with air-flow guiding rib (55), the air-flow guiding rib (55) along injection ring (5) circumferentially-spaced being uniformly distributed.
7. range hood according to claim 6, it is characterised in that: the air-flow guiding rib (55) is along injection ring (5)
Circumferential deflection, and the deflection angle in opposed vertical direction be 35 °~55 °.
8. range hood according to claim 1, it is characterised in that: the injection ring (5) is horizontally placed on exhaust fume collecting hood (2)
Air inlet region underface.
9. range hood according to claim 1, it is characterised in that: be equipped on the blower rack (1) for driving
The exhaust apparatus integrally makees the elevating mechanism (6) of elevating movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820547640.8U CN208312483U (en) | 2018-04-17 | 2018-04-17 | A kind of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820547640.8U CN208312483U (en) | 2018-04-17 | 2018-04-17 | A kind of range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208312483U true CN208312483U (en) | 2019-01-01 |
Family
ID=64718811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820547640.8U Active CN208312483U (en) | 2018-04-17 | 2018-04-17 | A kind of range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208312483U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110345540A (en) * | 2019-08-22 | 2019-10-18 | 美的集团股份有限公司 | Range hood |
| CN110388668A (en) * | 2018-04-17 | 2019-10-29 | 宁波方太厨具有限公司 | A kind of range hood |
| CN111156558A (en) * | 2020-02-18 | 2020-05-15 | 杭州老板电器股份有限公司 | Range hood control method with drainage function and range hood |
-
2018
- 2018-04-17 CN CN201820547640.8U patent/CN208312483U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110388668A (en) * | 2018-04-17 | 2019-10-29 | 宁波方太厨具有限公司 | A kind of range hood |
| CN110345540A (en) * | 2019-08-22 | 2019-10-18 | 美的集团股份有限公司 | Range hood |
| CN110345540B (en) * | 2019-08-22 | 2020-11-24 | 美的集团股份有限公司 | Smoke exhaust ventilator |
| WO2021031449A1 (en) * | 2019-08-22 | 2021-02-25 | 美的集团股份有限公司 | Range hood |
| KR20220016224A (en) * | 2019-08-22 | 2022-02-08 | 미디어 그룹 코 엘티디 | range hood |
| JP2022534237A (en) * | 2019-08-22 | 2022-07-28 | 美的集団股▲フン▼有限公司 | Range food |
| KR102576015B1 (en) * | 2019-08-22 | 2023-09-06 | 미디어 그룹 코 엘티디 | range hood |
| CN111156558A (en) * | 2020-02-18 | 2020-05-15 | 杭州老板电器股份有限公司 | Range hood control method with drainage function and range hood |
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